Praetorian Alien Wallpapers. The player will take the place of a warrior whose people have been betrayed. They can engage in combat, but usually remains stationary, letting the praetorians (or drones and warriors, if none have developed yet),. Praetorian Alien Wallpapers Wallpaper Cave from wallpapercave.com Explore origin 0 base skins used to create this skin. Xenith was the leader of the group.